The S outh A merican continent is composed of several biogeographical regions harbouring
the highest biodiversity on the globe, encompassing five of the world's biodiversity ‘hot spots…

Clinically, dengue fever has been recognized for more than 200 years, and a disease similar
to dengue haemorrhagic fever (DHF) was first described in northern Australia at the end of …

This review covers current knowledge of selenium in the dietary intake, its bioavailability,
metabolism, functions, biomarkers, supplementation and toxicity, as well as its relationship with …

In Brazil, a severe dry season lasting for approximately 5 months and frequent fires make
life difficult for cerrado insects. In certain aspects, the cerrado can be considered to be an …

Large scale development demands tracing requirements and other objects in the face of
continuous evolution. Requirements change in nature, scope, content, and form to become …

A new arenavirus, called Sabiá, was isolated in Brazil from a fatal case of haemorrhagic fever
initially thought to be yellow fever. Antigenic and molecular characterisation indicated that …

Parkinson’s disease (PD) is characterized by a progressive loss of dopaminergic neurons, a
process that current therapeutic approaches cannot prevent. In PD, the typical pathological …

We discuss the complex eco-social factors involved in the puzzle of the unexpected rapid
viral spread in the ongoing Brazilian yellow fever (YF) outbreak, which has increased the …

… enhancement factor F and equally shared between the two participants. This reduces to
a simple payoff matrix, in which R=(F−1)c, S=Fc/2−c, T=Fc/2 and P=0. For c=1, whenever 1<F<2 …

Aims. The CoRoT and Kepler satellites have provided thousands of red-giant oscillation
spectra. The analysis of these spectra requires efficient methods of identifying all eigenmode …